The NRA’s American Rifleman showcased an interesting project this week — an upgraded Ruger American Rifle Predator in 6.5 Creedmoor. The video below shows how a laminated wood stock from Boyds Gunstocks was adapted for the Ruger. A Boyds Prairie Hunter model in gray laminate was selected. This was custom-bedded to the Ruger’s action using Brownell’s Acraglas.
All Ruger American Rifle models employ dual aluminum V-Blocks to support the action. These fit slots in the underside of the action. Boyds makes its own version of these V-Blocks which were installed in the Boyds stock to secure the action.
Project leader Joe Kurtenbach says the size, shape, and geometry of the Boyds V-Blocks is very accurate, so they fit the Ruger action well. To further support the action, Acraglas bedding compound was applied to the inside of the stock, after release compound was applied to the barreled action. With this DIY bedding job, the Boyds laminated stock is definitely an improvement over this original “Tupperware” factory stock.
DIY Bargain Hunter Upgrade
American Rifleman states: “The Ruger American has some great features—hammer-forged barrel, reliable action, crisp trigger — but many would not consider the molded, polymer stock to be among them. Luckily, there are aftermarket options to enhance the rifle’s utility and aesthetics. A durable, attractive stock from Boyds Gunstocks and some DIY action bedding, using Brownells Acraglas, is the next step in the precision-driven hunting rifle build.”
Choice of Gun and 6.5 Creedmoor Chambering
For this project, American Rifleman’s Joe Kurtenbach selected one of his favorite cartridges, the 6.5 Creedmoor. Introduced in 2007 by Hornady, the accurate, flat-shooting 6.5 Creedmoor has proven very popular with both hunters and tactical/PRS shooters. The Ruger American Rifle Predator was chosen for its affordable price, reliable action, and Ruger Marksman adjustable trigger.
In this video, Kurtenback explains how and why the 6.5 Creedmoor chambering and Ruger American Rifle were chosen for the Precision Hunter rifle build project.
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This story first ran two years ago, but we’re bringing it back to give you guys a smile this summer. Anyone interested in long range accuracy should enjoy this tale of an amazing 800-yard shot by a talented fellow nick-named “Junebug”…
If you were challenged to hit a quarter (i.e. a 25-cent piece) at 800 yards, how would you respond? Well here’s the story of a man who did take that challenge, and proceeded to put a bullet right through the quarter. Forum member Randy D., aka “Birdog”, provides this entertaining account of how his friend Junebug drilled a quarter at 800 yards one Tennessee evening….
Hitting a Quarter at 800 Yards
Story and photos by Birdog
A friend from Indy visited the DOME last summer and returned home telling stories of eggs at 800 yards. He called me back and said his friends did not believe it and wanted to know if I could hit a quarter out at 800 and mail it to him.
Well, I had finally got the time for that challenge last Sunday. My friend Junebug came over and I told him about a new challenge. Junebug is sort of like Voldoc and does not like to be told it can’t be done and set his sights on the quarter. George Clay had his sleeved 700 6XC with 115gr DTACs and Bug had his Diamondback 6 BRDX and 103gr Vapor Trail bullets.
Junebug and Shayne. The quarter was at back fence row on left of photo, 80 yards short of a half-mile
Early to mid-afternoon is not the time for precision 800-yard shooting as the mirage was terrible and the wind was gusting in the high humidity and 95 temps. We took a few shots and got close but no HIT.
I told Junebug to go home and load some shells and come back at 7:00 and I believed we could make it happen. After 7:00 pm is the best time to shoot as the mirage disappears and the wind goes to zero. We met again at 7:00 and had Shayne Halliburton as witness. I took a few shots then Junebug took a few zeroing shots on metal. He was not satisfied with the grouping so he switched brass.
He had some new Hydro-formed brass that had never been fired. He took three sighters on the metal plate and the first two made two little black spots that were touching. Followed with a third shot that almost touched the first two. Darkness was setting in and I told Bug he better try the quarter now. Through my March scope I could barely see the bright quarter and my 1/16th dot completely covered the quarter.
Junebug moved the Diamondback to the quarter and touched her off. A half second later the bright spot on the black paper was gone. I jumped up and did a dance and war hoop and the Bug jumped up for a high five. Now we hoped we could find the quarter. Luckily it jumped out in front of the backer less than five feet and Bug found it immediately.
Junebug’s Rifle Specifications
Stock: Zebra-painted stock (Shehane ST1000 we believe)
Action: Stiller Diamondback
Scope: March 10-60x52mm with 1/8 MOA clicks
Cartridge: 6mm BRDX (6mmBR Norma 40° Improved similar to Dasher)
Bullet: 103-grain Vapor Trail
Gunsmith: Barrel smithed by Tim Claunch, Memphis, Tennessee
Here’s a great offer if you are looking for a fine hunting scope. Now through August 26, 2018, Zeiss is offering a $100 instant rebate on Conquest V4 riflescopes. Purchase any of the four Conquest V4 scopes and immediately save $100.00. No forms to complete. No mail-in rebates. Instant savings.
The German-engineered Conquest V4 line-up includes 1-4x24mm, 3-12x56mm, 4-16x44mm, and 6-24x50mm models, priced from $799.99 to $1,199.99. These scopes boast a large range of elevation travel. All Conquest V4s feature 30 mm main tube, second focal plane reticle, and at least 3.5 inches of eye relief. They also feature over 90% light transmission to the eye, making them great for dawn and dusk hunting. Illuminated reticles are standard on the 1-4x24mm models, optional on the 3-12x56mm and 6-24x50mm models.
The high-definition glass on Conquest V4 scopes is treated with Zeiss T six-layer light transmission coatings. Ocular and objective lenses are further treated with LotuTec hydrophobic protective coatings. All Conquest V4 rifle scopes are covered by the Zeiss Limited Lifetime Transferable Warranty, and are further supported by a Zeiss Five Year No-Fault Policy. For more information, visit Zeiss.com/us/sports-optics.
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At the request of our readers, we provide select “Deals of the Week”. Every Monday morning we offer our Best Bargain selections. Here are some of the best deals on firearms, hardware, reloading components, optics, and shooting accessories. Be aware that sale prices are subject to change, and once clearance inventory is sold, it’s gone for good. You snooze you lose.
1. CDNN — Winchester XPR Rifle $289.99 after $75 Rebate
We like the Winchester XPR as an affordable, entry-level hunting rifle. The three-lug bolt has a short throw, the mags seat easily and the rifle balances well. CDNN is offering the XPR for just $364.99. That’s a great price, but it gets even better. Winchester is offering a $75.00 factory rebate, lowering your net cost to just $289.99. That’s less than you’ll pay for a new custom barrel! This CDNN deal is available now for four popular chamberings: .243 Win, .308 Win, .270 Win, and .30-06 SPR. Winchester’s $75 Factory Rebate applies to any new Winchester XPR or Model 70 rifle purchased from August 1 through October, 2018. For more info, visit Winchester’s Trophy Season Rebate Page.
2. EuroOptic — Vortex Diamondback FFP Scope $349.99 or $399.99
Looking for a good yet affordable First Focal Plane (FFP) optic for hunting or tactical events? Well Vortex just released a new under-$400 series of Diamondback FFP scopes. Select from 4-16x50mm or 6-24x50mm models. Both offer plenty of magnification for competitors and long-range varmint hunters.These new Diamondbacks feature 30mm maintubes and your choice of either 1/4 MOA clicks or 1/10 Mil clicks. The MOA-click versions feature an EBR-C2 MOA reticle while the Mil-click scopes have an EBR-C2 MRAD reticle. That way the reticle matches your click values (as it always should). We’re told these scopes have good glass and nice click feel. At EuroOptic.com Vortex’s affordable new 4-16x50mm FFP Diamondback is just $349.99, while the 6-24x50mm version is just $399.99.
3. Midsouth — Hornady Auto Charge Dispenser, $165.99
Here’s a great deal from our friends at Midsouth. Hornady’s versatile Lock-N-Load Auto Charge™ Powder Scale and Dispenser is on sale for $165.99 at Midsouth. The Hornady Auto Charge is accurate to 0.1 grains of powder and can hold up to 1000 grains of powder in its hopper. This is a very good value compared to other electronic powder scale/dispensers on the market, such as the RCBS ChargeMaster, which is now $276.99 at Amazon (over $110 more).
4. Bruno’s — Summer Sale on Kelbly Actions and Krieger Barrels
You’ll find some great buys at Bruno Shooters Supply right now. First, prices have been lowered significantly on Kelbly actions. Save 10% or more. Here are examples: Kelbly Panda ($1195), Kelbly Atlas Tactical ($919), Kelby Atlas Single Shot ($870). Krieger barrels, Lapua Brass, and Sierra bullets are also on sale. Visit Bruno’s Sale Page for the full list of products on sale.
5. Stocky’s — LR Stocks with Aluminum Bedding Block, $179.99
Here’s a good deal on a versatile Stocky’s Long Range Stock with aluminum V-block bedding system. For just $179.99, order this for Rem/Rem Clone long actions or short actions, with either narrow or wide (varmint/tactical) barrel channel. This would be a good choice for a varmint rifle. This is also offered with handsome hydrographic or web-pattern baked-on textured finishes for $199.99.
6. EuroOptic — Leica CRF 2000, $399.00
This may be the best deal we’ve seen on the vaunted Leica 2000-B Laser Rangefinder (LRF) with 7-power optic. This unit is rated out to 2000 yards on reflective objects (in real-world use it will laze a deer well past 800 if you can hold steady). The Leica 2000-B features air pressure and temperature sensors, plus on-board inclinometer. Angle correction works out to 1200 horizontal yards equivalent, with the true hold-over displayed in both MILs and MOA. The compact Leica CRF 2000-B weighs just 6.5 ounces and measures 4.5″ L x 2.25″ H x 1.25″ W. It has a waterproof outer shell.
7. Amazon — Plano 52″ Double Rifle Case with Wheels, $109.08
This Plano Double Scoped Rifle Case is an Amazon Best Seller for good reason. It offers the functionality and durability of an SKB-type hard case for HALF the money. This is under $110.00, while the equivalent SKB is around $240.00, so you can buy two Planos for the price of one SKB. The 51.5″ interior will fit most scoped competition rifles up to about 29″ barrels (measure your own rifle to make sure). If you separate the barreled action from the stock you can transport even ultra-long ELR rifles. The handles are convenient and beefy and the wheels make this case easy to move. This is a very tough, roomy case for the money (plus there’s Free Shipping).
8. Amazon — Neiko Digital Calipers, $17.85
Even if you have a good set of calipers, you may want to get one of these Neiko 01407A Digital Calipers. The #1 best-selling digital caliper on Amazon.com, this Neiko tool features a large LCD Screen and measures up to 6.0 inches. With over 3000 customer reviews, this product has earned an overall rating of 4.4 out of 5 stars. It’s hard to go wrong for $17.85, even if you just use these as a spare set for measuring group sizes and case trim lengths.
9. Amazon — Two Rolls of 3″ Neon Target Stickers, $14.95
We like these bright, Neon 3″ target stickers. They are big enough to see easily at 600 yards, giving you a 1/2 MOA target center at that distance. For $14.95 at Amazon.com, you get 250 3″-diameter self-adhesive centers (125 targets per roll) that stick to almost any surface The high-contrast fluorescent red/orange color provides an excellent HI-VIZ aiming point, along with good contrast for bullet holes that fall within the 3″ circle. To help line up your reticle cross-hairs, the target centers feature black markers at 3, 6, 9, and 12 0’Clock. NOTE: These stickers may qualify for FREE Shipping with combined orders over $25.00.
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The Sporting Arms and Ammunition Manufacturers’ Institute (SAAMI®) has accepted two new Hornady-marketed cartridges, the 6.5 Precision Rifle Cartridge (6.5 PRC) and the 300 PRC. Notably, for both cartridges, SAAMI lists a Maximum Average Pressure (MAP) of 65,000 PSI. The 300 PRC is NOT just a necked-up version of the 6.5 PRC. The 6.5 PRC has a 2.030″ case body length, while the 300 PRC is considerably longer, with a 2.580″ case body length (rim to case mouth). Both PRCs share a fat 0.532″ rim diameter, hence these cartridges require a magnum bolt face.
The 6.5 PRC is designed for the PRS and tactical crowd. GA Precision’s George Gardner, who helped develop the 6.5 PRC cartridge, has posted: “It’s a non-rebated short mag based on a short RCM [Ruger Compact Magnum] case. It has 3-4 grains less capacity than the 6.5 SAUM which nets about 30-50 fps deficit to the SAUM.” Cartridge and chamber drawings for both RPCs are available from SAAMI:
Both cartridges were developed by Hornady Manufacturing Company, a Voting Member of SAAMI. “SAAMI member companies are the leaders of firearm and ammunition development and innovation,” said Rick Patterson, SAAMI’s Executive Director. “Both the 6.5 and 300 PRC cartridges seek to meet the demand for increased accuracy in today’s trending sport of long-range shooting, and we are pleased to add these new cartridges to our SAAMI Standards.”
New 6.5 PRC Is a Short Magnum Requiring Magnum Bolt Face
Dubbed the “big brother” to the 6.5 Creedmoor, the 6.5 PRC fits in short or medium actions with a standard magnum bolt face (.532″). The case geometry features a long cartridge case neck and 30-degree case shoulder. It sort of looks like a 6.5 Creedmoor on steroids. For its factory-loaded 6.5 PRC Match Ammo, Hornady is showing a 2910 fps Muzzle Velocity with the 147gr ELD Match bullet. That’s not very impressive. Why go to the trouble when you can get those kind of velocities from a 6.5-284 with a standard bolt face? The 6.5 PRC requires a magnum bolt face. Moreover, the 6.5-284 is a barrel burner. The 6.5 PRC surely promises to be likewise.
Now, to be fair, with handloads, we expect you’d see meaningful speed gains with the 6.5 PRC compared to the 6.5-284. Also it may work better than a 6.5-284 in a short-action magazine — that may be what Hornady is thinking…
The .300 PRC — A Longer Version of the 300 Ruger Compact Magnum
The 300 PRC seems to be more a hunting cartridge than a cartridge for tactical games. Talking about this cartridge, Hornady states it would be an “excellent choice… for hunting applications” as well as “long-range precision shooting”. Inspired by the 300 Ruger Compact Magnum (RCM), the 300 PRC has a longer case body (2.580″) compared to the 300 RCM (2.100″), for more case capacity. That gives it the ability to push big .30-caliber bullets at higher velocities. But honestly, there are many other well-established Magnum hunting cartridge, so we doubt the .300 PRC is going to become popular among the hunting crowd. Time will tell however.
“Both the 6.5 PRC and the 300 PRC are multi-functional cartridges that are excellent choices for target and match shooting as well as hunting applications,” said Joe Thielen, Hornady’s Assistant Director of Engineering. “The primary focus of the design of both the 6.5 PRC and the 300 PRC has always been long-range precision shooting.”
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Lyman is running a cool contest for the next seven weeks (8/13/18-9/21/18). Now through September 21, 2018, you can win an impressive Grand Prize that includes a Savage Rifle and nearly $1000 worth of reloading gear (including Lyman’s new, 8-station turret press). Lyman’s Ultimate Reloading system provides everything you need to load precision rifle and pistol ammo. CLICK HERE for contest details and Entry Instructions.
Sign up for Lyman’s “Zero’d In” newsletter to receive updates and info on great new Lyman Products and be entered in our sweepstakes to win everything you’ve always wanted for your reloading bench! The contest runs August 13 through Sept 21, 2018. All entries must be received by September 21, 2018.
The Grand Prize includes:
• Savage 10 BA Stealth 6.5 Creedmoor Rifle
• Lyman Ultimate Reloading System
• Long Range Rifle Manual
• Rifle Maintenance Mat
Lymans’ Ultimate Reloading System
The Ultimate Reloading System includes deluxe All-American 8-Station Turret Press, Electronic Powder Scale/Dispenser (Gen 6), Turbo 1200 Case Tumbler, Priming tool, Case Trimmer, and many other reloading tools and accessories.
- An All-American 8 Reloading press (8 Station Turret)
– Pro 1200 Turbo® Tumbler
– Electronic Gen 6 Powder System
– Universal® Trimmer
– Voucher for Free Lyman Die Set Voucher
– 50th Ed. Lyman Reloading Handbook
- E-ZEE Prime Hand Priming Tool
– Magnum Inertia Bullet Puller
– Universal Loading Block
– Case Prep Multi Tool and Bench Wrench
– Quick Slick™ Case Lube Pump
– Stainless Steel Calipers
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Photo by Werner Mehl, www.kurzzeit.com, all rights reserved.
Most serious shooters can tell you the muzzle velocity (MV) of their ammunition, based on measurements taken with a chronograph, or listed from a manufacturer’s data sheet. (Of course, actual speed tests conducted with YOUR gun will be more reliable.)
Bullet RPM = MV X 720/Twist Rate (in inches)
However, if you ask a typical reloader for the rotational rate of his bullet, in revolutions per minute (RPM), chances are he can’t give you an answer.
Knowing the true spin rate or RPM of your bullets is very important. First, spin rate, or RPM, will dramatically affect the performance of a bullet on a game animal. Ask any varminter and he’ll tell you that ultra-high RPM produces more dramatic hits with more “varmint hang time”. Second, RPM is important for bullet integrity. If you spin your bullets too fast, this heats up the jackets and also increases the centrifugal force acting on the jacket, pulling it outward. The combination of heat, friction, and centrifugal force can cause jacket failure and bullet “blow-ups” if you spin your bullets too fast.
Accuracy and RPM
Additionally, bullet RPM is very important for accuracy. Nearly all modern rifles use spin-stablized bullets. The barrel’s rifling imparts spin to the bullet as it passes through the bore. This rotation stabilizes the bullet in flight. Different bullets need different spin rates to perform optimally. Generally speaking, among bullets of the same caliber, longer bullets need more RPM to stabilize than do shorter bullets–often a lot more RPM.
It is generally believed that, for match bullets, best accuracy is achieved at the minimal spin rates that will fully stabilize the particular bullet at the distances where the bullet must perform. That’s why short-range 6PPC benchrest shooters use relatively slow twist rates, such as 1:14″, to stabilize their short, flatbase bullets. They could use “fast” twist rates such as 1:8″, but this delivers more bullet RPM than necessary. Match results have demonstrated conclusively that the slower twist rates produce better accuracy with these bullets.
On the other hand, Research by Bryan Litz of Applied Ballistics has shown that with long, boat-tailed bullets, best accuracy may be achieved with twist rates slightly “faster” than the minimum required for stabilization. The reasons for this are somewhat complex — but it’s something to consider when you buy your next barrel. If, for example, the bullet-maker recommends a 1:8.25″ twist, you might want to get a true 1:8″-twist barrel.
Calculating Bullet RPM from MV and Twist Rate
The lesson here is that you want to use the optimal RPM for each bullet type. So how do you calculate that? Bullet RPM is a function of two factors, barrel twist rate and velocity through the bore. With a given rifling twist rate, the quicker the bullet passes through the rifling, the faster it will be spinning when it leaves the muzzle. To a certain extent, then, if you speed up the bullet, you can use a slower twist rate, and still end up with enough RPM to stabilize the bullet. But you have to know how to calculate RPM so you can maintain sufficient revs.
Bullet RPM Formula
Here is a simple formula for calculating bullet RPM:
MV x (12/twist rate in inches) x 60 = Bullet RPM
Quick Version: MV X 720/Twist Rate = RPM
Example One: In a 1:12″ twist barrel the bullet will make one complete revolution for every 12″ (or 1 foot) it travels through the bore. This makes the RPM calculation very easy. With a velocity of 3000 feet per second (FPS), in a 1:12″ twist barrel, the bullet will spin 3000 revolutions per SECOND (because it is traveling exactly one foot, and thereby making one complete revolution, in 1/3000 of a second). To convert to RPM, simply multiply by 60 since there are 60 seconds in a minute. Thus, at 3000 FPS, a bullet will be spinning at 3000 x 60, or 180,000 RPM, when it leaves the barrel.
Example Two: What about a faster twist rate, say a 1:8″ twist? We know the bullet will be spinning faster than in Example One, but how much faster? Using the formula, this is simple to calculate. Assuming the same MV of 3000 FPS, the bullet makes 12/8 or 1.5 revolutions for each 12″ or one foot it travels in the bore. Accordingly, the RPM is 3000 x (12/8) x 60, or 270,000 RPM.
Implications for Gun Builders and Reloaders
Calculating the RPM based on twist rate and MV gives us some very important information. Number one, we can tailor the load to decrease velocity just enough to avoid jacket failure and bullet blow-up at excessive RPMs. Number two, knowing how to find bullet RPM helps us compare barrels of different twist rates. Once we find that a bullet is stable at a given RPM, that gives us a “target” to meet or exceed in other barrels with a different twist rate. Although there are other important factors to consider, if you speed up the bullet (i.e. increase MV), you MAY be able to run a slower twist-rate barrel, so long as you maintain the requisite RPM for stabilization and other factors contributing to Gyroscopic Stability are present. In fact, you may need somewhat MORE RPM as you increase velocity, because more speed puts more pressure, a destabilizing force, on the nose of the bullet. You need to compensate for that destabilizing force with somewhat more RPM. But, as a general rule, if you increase velocity you CAN decrease twist rate. What’s the benefit? The slower twist-rate barrel may, potentially, be more accurate. And barrel heat and friction may be reduced somewhat.
Just remember that as you reduce twist rate you need to increase velocity, and you may need somewhat MORE RPM than before. (As velocities climb, destabilizing forces increase somewhat, RPM being equal.) There is a formula by Don Miller that can help you calculate how much you can slow down the twist rate as you increase velocity.
That said, we note that bullet-makers provide a recommended twist rate for their bullets. This is the “safe bet” to achieve stabilization with that bullet, and it may also indicate the twist rate at which the bullet shoots best. Though the RPM number alone does not assure gyroscopic stability, an RPM-based calculation can be very useful. We’ve seen real world examples where a bullet that needs an 8-twist barrel at 2800 FPS MV, would stabilize in a 9-twist barrel at 3200 FPS MV. Consider these examples.
MV = 2800 FPS
8-Twist RPM = 2800 x (12/8) x 60 = 252,000 RPM
MV = 3200 FPS
9-Twist RPM = 3200 x (12/9) x 60 = 256,000 RPM
Of course max velocity will be limited by case capacity and pressure. You can’t switch to a slower twist-rate barrel and maintain RPM if you’ve already maxed out your MV. But the Miller Formula can help you select an optimal twist rate if you’re thinking of running the same bullet in a larger case with more potential velocity.
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Rifleshooter.com does some great original research — providing “hard data” you can’t find anywhere else. Here are the eye-opening results of Rifleshooter.com’s 6.5 Creedmoor barrel cut-down test. You may be surprised at the results. Read on…
What do you get when you cut a 6.5 Creedmoor-chambered barrel down to just over 16 inches? A lot more velocity than you might think. Our friends at Rifleshooter.com recently did a barrel cut-down test with 6.5 Creedmoor test rifle, shortening the barrel from 27 to 16.1 inches in one-inch increments. Surprisingly, with a 142gr Sierra MK, the total velocity loss (as measured with a Magnetospeed) was just 158 FPS, an average of 14.4 FPS per inch of barrel length. With the lighter 120gr A-Max bullet, the total velocity loss was 233 FPS, or 21.8 FPS average loss per inch of barrel.
Test Procedure
Five (5) rounds of each type of cartridge were fired at each barrel length and the velocity data was recorded with a MagnetoSpeed V3 barrel-mounted chronograph. The rifle was then cleared and the barrel was cut back one inch at a time from 27″ to just over 16″. NOTE: During this winter test, the air temperature was a very chilly 23° F. One would expect higher velocities across the board had the outside temperature been higher.
The photo below shows how the barrel was cut down, inch-by-inch, using a rotary saw. The barrel was pre-scored at inch intervals. As the main purpose of the test was to measure velocity (not accuracy) the testers did not attempt to create perfect crowns.
6.5 Creedmoor vs. Other Mid-Sized 6.5mm Cartridges
The 6.5 Creedmoor is a very popular cartridge with the tactical and PRS crowd. This mid-size cartridge offers good ballistics, with less recoil than a .308 Winchester. There’s an excellent selection of 6.5mm bullets, and many good powder choices for this cartridge. When compared to the very accurate 6.5×47 Lapua cartridge, the 6.5 Creedmoor offers similar performance with less expensive brass. For a tactical shooter who must sometimes leave brass on the ground, brass cost is a factor to consider. Here’s a selection of various 6.5mm mid-sized cartridges. Left to right are: 6.5 Grendel, 6.5×47 Lapua, 6.5 Creedmoor with 120gr A-Max, 6.5 Creedmoor with 142gr Sierra MK, and .260 Remington.
When asked to compare the 6.5 Creedmoor to the 6.5×47 Lapua, Rifleshooter.com’s editor stated: “If you don’t hand load, or are new to precision rifle shooting, get a 6.5 Creedmoor. If you shoot a lot, reload, have more disposable income, and like more esoteric cartridges, get a 6.5×47 Lapua. I am a big fan of the 6.5×47 Lapua. In my personal experience, the 6.5×47 Lapua seems to be slightly more accurate than the 6.5 Creedmoor. I attribute this to the quality of Lapua brass.” Now that Lapua offers 6.5 Creedmoor brass with small primer pockets, the 6.5 Creedmoor is even more attractive.
The creator of Rifleshooter.com also operates a Custom Rifle Building enterprise and gun shop in Long Island, New York: 782 Custom Guns Ltd.. He tells us: “We offer an unparalleled level of gunsmith machine shop services in the Long Island region. From precision rifles (USMC M40A3/A5/A6 XM3 clones) to customized Remington 870 and Mossberg 590 shotguns, and customized 1911s, chances are if you can dream it, we can build it!”
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M1 Garand Springfield Armory July 1941 production. Facebook photo by Shinnosuke Tanaka.
Want an authentic surplus M1 Garand? You can get these classic battle rifles from the Civilian Marksmaship Program (CMP) through direct sales as well as auctions. If you are looking to obtain an authentic, safe-to-shoot M1 Garand, the CMP is your best bet. Each M1 Garand rifle sold by the CMP is an genuine U.S. Government rifle that has been inspected, head-spaced, repaired if necessary, and test fired for function. Each rifle is shipped with safety manual, one 8-round clip, and chamber safety flag. CMP operations, warehousing, inspection & repair, test firing, sales order processing and distribution activities are headquartered in Anniston, Alabama.
M1 Garand Manufacturer Codes: SA (Springfield Armory), HRA (Harrington & Richardson Arms), IHC (International Harvester Co.), WRA (Winchester Repeating Arms)
The federal law that established the new CMP authorizes the Corporation to sell surplus .30 and .22 caliber military rifles, parts and ammunition to qualified U.S. citizens “for marksmanship”. Accordingly, the CMP sells government-surplus M1 Garands, .22 caliber target rifles, and small quantities of other rifles to qualified purchasers.
M1 Garands at CMP Retail Store in Anniston, Alabama.
How to Order an M1 Garand from the CMP
To purchase an M1 Garand through the CMP, you must be an adult U.S. Citizen, who is a member of an affiliated organization, and who has participated in a “Marksmanship Activity”*. This basically meas you need to join a a gun club and participate in a clinic or match. Proof of club membership and citizenship is mandatory for all ages. However, the marksmanship requirement is waived for those over 60 years. Garands must be ordered by mail or through official CMP Auctions. Orders are filled on a first-come, first-serve basis. Rifles of all grades are packed for shipment purely by “luck of the draw”. Most orders ship within 2-4 weeks. If price has changed after an order has been received, customers will be notified before new prices are charged. Free Shipping except Puerto Rico and P.O. Boxes. CLICK HERE for ordering information.
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Over the past 12 months, this article was one of the TOP TEN most-read Daily Bulletin features. We’re reprising it today for those who may have missed it the first time. The above diagram comes from a TiborasurasRex YouTube Video comparing G1 and G7 BC models. CLICK HERE to watch the video.
The better, up-to-date ballistics programs let you select either G1 or G7 Ballistic Coefficient (BC) values when calculating a trajectory. The ballistic coefficient (BC) of a body is a measure of its ability to overcome air resistance in flight. You’ve probably seen that G7 values are numerically lower than G1 values for the same bullet (typically). But that doesn’t mean you should select a G1 value simply because it is higher.
Some readers are not quite sure about the difference between G1 and G7 models. One forum member wrote us: “I went on the JBM Ballistics website to use the web-based Trajectory Calculator and when I got to the part that gives you a choice to choose between G1 and G7 BC, I was stumped. What determines how, or which one to use?”
The simple answer is the G1 value normally works better for shorter flat-based bullets, while the G7 value should work better for longer, boat-tailed bullets.
G1 vs. G7 Ballistic Coefficients — Which Is Right for You?
G1 and G7 refer both refer to aerodynamic drag models based on particular “standard projectile” shapes. The G1 shape looks like a flat-based bullet. The G7 shape is quite different, and better approximates the geometry of a modern long-range bullet. So, when choosing your drag model, G1 is preferrable for flat-based bullets, while G7 is ordinarily a “better fit” for longer, boat-tailed bullets.
Drag Models — G7 is better than G1 for Long-Range Bullets
Many ballistics programs still offer only the default G1 drag model. Bryan Litz, author of Applied Ballistics for Long Range Shooting, believes the G7 standard is preferrable for long-range, low-drag bullets: “Part of the reason there is so much ‘slop’ in advertised BCs is because they’re referenced to the G1 standard which is very speed sensitive. The G7 standard is more appropriate for long range bullets. Here’s the results of my testing on two low-drag, long-range boat-tail bullets, so you can see how the G1 and G7 Ballistic coefficients compare:
G1 BCs, averaged between 1500 fps and 3000 fps:
Berger 180 VLD: 0.659 lb/in²
JLK 180: 0.645 lb/in²
The reason the BC for the JLK is less is mostly because the meplat was significantly larger on the particular lot that I tested (0.075″ vs 0.059″; see attached drawings).
For bullets like these, it’s much better to use the G7 standard. The following BCs are referenced to the G7 standard, and are constant for all speeds.
Many modern ballistics programs, including the free online JBM Ballistics Program, are able to use BCs referenced to G7 standards. When available, these BCs are more appropriate for long range bullets, according to Bryan.
[Editor’s NOTE: BCs are normally reported simply as an 0.XXX number. The lb/in² tag applies to all BCs, but is commonly left off for simplicity.]
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Don’t own a quality .22 LR wheelgun yet? Well start saving those pennies. Every serious gun aficionado should have a quality rimfire revolver. A rimfire wheelgun is also very good choice for a first handgun. Indeed, a strong argument could be made that a .22 LR revolver is THE best choice for a new shooter’s first handgun. A .22 LR revolver is easy to shoot, easy to maintain, and will last a lifetime. Once you have mastered the basics of shooting with a .22 LR, you can move on to larger caliber handguns suitable for self-defense.
TOP FIVE Reasons to Own a Rimfire Revolver:
1. Rimfire .22 LR Ammunition is cheap, and now plentiful again.
2. A good, full-size .22 LR revolver will be MORE ACCURATE than the vast majority of semi-auto rimfire handguns. With no magazines to jam, a good wheelgun will also be more reliable than most self-loading rimfires.
3. A rimfire revolver can shoot tens of thousands of rounds, with just routine maintenance. This gun can last a lifetime and then you can pass it on to your kids.
4. On a S&W revolver, it is very easy to tune the pull weight. You can have a safe double-action pull with a very light, crisp single-action release.
5. It is easy to change grips and sights to suit your preference. You can also mount a scope on the top-strap.
TOP FIVE Rimfire Revolvers (Current Production)
1. Smith & Wesson Model 617, 6″ or 4″ BBL, $829.00 MSRP
10-Shot, Stainless Steel, 44.1 Oz. (6″ barrel), 39 Oz. (4″ barrel)
Smith & Wesson’s Model 617, offered with either 6″ or 4″ barrels, is extremely accurate, with a very crisp trigger, and good sights. Accuracy is better than most shooter can hold. You can learn all the fundamentals with this ultra-reliable K-Frame handgun, shooting inexpensive .22 LR ammo. The 6″ version has a longer sight radius, so it’s superior for bullseye work. But the 4″ version balances much better. The choice is yours.
The Model 617 is rugged, durable, and can give you a lifetime of shooting fun. Your Editor has owned a 4″ ten-shot Model 617 for over 20 years, and it’s still going strong. Here is a video showing the 4″-barrel version of Smith & Wesson’s popular model 617.
Hickok 45 Demos “Wonderful revolver”, a 4″ Model 617. See also Hickok 45 m617 Part 2:
Ruger introduced the .22 LR GP100 two years ago. Since then, it has become a good seller. This 10-shot revolver with 5.5″ barrel has a comfortable grip and triple-locking cylinder (locked into the frame at the front, rear and bottom). Many shooters like the fact that the 5.5″-barrel GP100 carries its heft more to the rear than S&W’s 6″ 617. However, we’d give the edge to the 617’s trigger. NOTE: Davidson’s also has a limited edition GP100 with shorter 4″ barrel. This Davidson’s exclusive edition 4″ GP100 is handier to carry and balances better.
3. Smith & Wesson Model 17 Masterpiece, 6″ BBL, $989.00 MSRP
6-Shot, Carbon (Blued) Steel, 39.9 Oz., 6″ Barrel
Smith & Wesson recently re-introduced its Model 17 Masterpiece revolver. This Blued 6-shot classic has been “re-released” with a retro-style grip. It still offers outstanding accuracy and a sweet trigger pull. For those who like the look of the original K-22 revolvers this can fill the bill. With a non-underlug 6″ barrel, this is 4.2 ounces lighter than the 6″ Model 617. The price, $989.00 MSRP, is pretty steep. It you look around you may be able to find an original K-22 for a few hundred dollars less. We’ve seen some decent examples on Gunbroker in the $700 range, but pristine K-22s are selling for over $1000 now.
4. Smith & Wesson Model 63, 3″ BBL, $769.00 MSRP
8-Shot, Stainless Steel, 25.8 Oz., 3″ barrel
The 8-Shot Smith & Wesson Model 63 may be one of the most versatile revolvers on the market. With a 3″ barrel, it balances well and is easy to hold. This makes this a great training pistol for a new shooter, even a junior or a lady with small hands. The latest 8-shot version offers nice big sights with fiber-optic front insert. While we consider this a great training and plinking handgun, it can also do double-duty for concealed carry. No the .22 LR won’t match the stopping power of a .357 Magnum, but better armed than not.
The new Ruger LCRx Revolver combines traditional wheelgun features with modern composite construction. The 3″ barrel and cylinder are steel. The “frame” housing the barrel and cylinder are aerospace-grade aluminum. The rear/lower section of the pistol, what Ruger calls the “fire control housing”, is made of polymer. This cuts weight and tames felt reoil. That fire control housing holds the hammer/trigger assemblies and provides a mount for the interchangeable grips. This is really a very innovative pistol. Thanks to its weight-saving features, Ruger’s LCRx is 8.5 ounces lighter than S&W’s Model 63, though both have 3″-long barrels.
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Speer Ammunition has just released the latest edition of its reloading handbook: The Speer Handloading Manual No. 15. Shipments of this new book are being delivered to dealers now. It will be available on Amazon next week. The MSRP for the new Speer Manual is $34.95. We think the new book is worth the price — it is well-organized and quite complete. But if you are not a fan of conventional books, be aware that you can get a significant portion of Speer’s rifle and pistol load data for FREE on Speer’s website.
Why Buy the Book?
» New DATA for 6.5 Creedmoor and 12 More New Cartridge Types
» Complete Instructions for Handloading Rifle and Pistol Cartridges
» Updates for More Than 120 Cartridge Types
This new edition is Speer’s largest volume yet, featuring updated recipes with the latest propellants for more than 120 legacy cartridges. In addition, the new 15th Edition includes load data for 13 popular new cartridges, including 6.5 Creedmoor, .204 Ruger, and 300 Blackout. The 15th Speer Handloading Manual also features authoritative articles by expert shooters.
FREE Online INFO and DATA from Speer
On its website, Speer-Ammo.com, Speer also offers Rifle and Pistol Reloading Data, Reloading Safety Page, Step-by-Step Handloading Guide, and helpful Glossary of Reloading Terms.
Hey guys, you’ll probably want to download this Powder Burn Rate Table issued by Hodgdon/IMR. This table shows the latest IMR powders including the Enduron series (IMR 4166, 4451, 4955, 7977), high-lighted in green below. This 150-entry comparison table provides useful information for all hand-loaders. When doing load development, and testing one powder versus another, it’s generally wise to choose propellants that share the same relative burn rate, as least for starters. This invaluable burn rate chart ranks powders from eight major powder-makers: Accurate, Alliant, Hodgdon, IMR, Norma, Ramshot (Western), Vihtavuori, Winchester.
NOTE: Hodgdon powders are blue, IMR standard powders are yellow, IMR Enduron powders are green, and Winchester Powders are Red. DOWNLOAD Chart HERE.
Some of our readers have questioned how to set up their body dies or full-length sizing dies. Specifically, AFTER sizing, they wonder how much resistance they should feel when closing their bolt.
Forum member Preacher explains:
“A little resistance is a good, when it’s time for a big hammer it’s bad…. Keep your full-length die set up to just bump the shoulder back when they get a little too tight going into the chamber, and you’ll be good to go.”
To quantify what Preacher says, for starters, we suggest setting your body die, or full-length sizing die, to have .0015″ of “bump”. NOTE: This assumes that your die is a good match to your chamber. If your sizing or body die is too big at the base you could push the shoulder back .003″ and still have “sticky case” syndrome. Also, the .0015″ spec is for bolt guns. For AR15s you need to bump the shoulder of your cases .003″ – .005″, for enhanced reliability. For those who have never worked with a body die, bump die, or Full-length sizing die, to increase bump, you loosen lock-ring and screw the die in further (move die down relative to shell-holder). A small amount (just a few degrees) of die rotation can make a difference. To reduce bump you screw the die out (move die up). Re-set lock-ring to match changes in die up/down position.
That .0015″ is a good starting point, but some shooters prefer to refine this by feel. Forum member Chuckhunter notes: “To get a better feel, remove the firing pin from your bolt. This will give you the actual feel of the case without the resistance of the firing pin spring. I always do this when setting up my FL dies by feel. I lock the die in when there is just the very slightest resistance on the bolt and I mean very slight.” Chino69 concurs: “Remove the firing pin to get the proper feel. With no brass in the chamber, the bolt handle should drop down into its recess from the full-open position. Now insert a piece of fire-formed brass with the primer removed. The bolt handle should go to the mid-closed position, requiring an assist to cam home. Do this several times to familiarize yourself with the feel. This is how you want your dies to size your brass, to achieve minimal headspace and a nearly glove-like fit in your chamber.”
We caution that, no matter how well you have developed a “feel” for bolt-closing resistance, once you’ve worked out your die setting, you should always measure the actual amount of shoulder bump to ensure that you are not pushing the shoulder too far back. This is an important safety check. You can measure this using a comparator that attaches to your caliper jaws, or alternatively, use a sized pistol case with the primer removed. See Poor Man’s Headspace Gauge.
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Looking for a good, solid First Focal Plane (FFP) optic for hunting or tactical events? Well you’re in luck. Vortex just released a new, ultra-affordable series of Diamondback FFP scopes with 4X zoom ratio. Select from 4-16x50mm or 6-24x50mm models. Both offer plenty of magnification for competitors and long-range varmint hunters. We suggest the 4-16X for hunting and the 6-24X for PRS and other competition disciplines.
These new Diamondbacks feature 30mm maintubes and your choice of either 1/4 MOA clicks or 1/10 Mil clicks. The MOA-click versions feature an EBR-C2 MOA reticle while the Mil-click scopes have an EBR-C2 MRAD reticle. That way the reticle matches your click values (as it always should).
Currently at EuroOptic.com Vortex’s affordable new 4-16x50mm FFP Diamondback is just $349.99, while the 6-24x50mm version is just $399.99. Either way, these are outstanding values. One of our testers who competes in both long-range and tactical matches was impressed with the new Diamondbacks, given the pricing: “The glass looks fine upon quick inspection. Turrets and everything else feel great for the price paid. I bet there’s no better value out there for a FFP scope with advanced reticle like this”.
MidwayUSA also sells these new Vortex FFP scopes with similar pricing. MidwayUSA’s optics manager raved: “Try not to spit out your coffee as you check the price of the Diamondback Tactical FFP after reading about its impressive performance and features. The first focal plane reticle, a feature ordinarily reserved for 4-figure-priced optics, allows shooters to use the information-packed EBR-2C reticles for ranging, holdovers or windage corrections on any magnification.”
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With all the buzz about the 6.5 Creedmoor and its 6mm Creedmoor little brother, some folks forget that we’ve had an outstanding mid-sized, Across-the-Course cartridge for a long time — the 6XC. Pioneered by 11-time National High Power champion David Tubb, the 6XC has won national High Power championships, excelled in mid-range prone matches, and performed great in the varmint fields. It has also been used successfully by many Precision Rifle Series competitors. It’s no wonder — the 6XC has less recoil than a 6.5mm Creedmoor, there is a great selection of superb 6mm bullets, and Norma-made 6XC brass is high-quality and reasonably priced from DavidTubb.com.
PRS Rifle with Modern 6XC II Chamber
Forum member Grimstod posted this new 6XC II rifle in our long-running Pride and Joy Rifle Thread. Grimstod notes: “These 6XC Gen IIs seam to be a hot commodity lately. This one is for PRS. It features a Premier Accuracy Atlas action made by Kelbly. The bolt and heavy-taper, fluted barrel are Ceracoted to match. I really like the ejectors on these Atlas actions. The stock is a KRG X-Ray painted in Premier Accuracy exclusive colors. The Kelbly Atlas action does not have any modifications. So far every Kelbly action we have tried has had perfect timing and trigger fall. We have been supper pleased with them. I look forward to using a lot more of these excellent actions.”
What is the 6XC II you may ask? That designates a 6XC with a chamber dimension optimized for Norma brass. It turns out that Norma brass is a bit bigger at the bottom than the 22-250 brass from which the 6XC originated. Robert Whitley of 6mmAR.com has created two new JGS reamer specs that fit the Norma brass perfectly, improving feeding and extraction. Here is Robert’s Report:
The 6XC II Chamber — Upgraded for Today’s Norma 6XC Brass
by Robert Whitley of 6mmAR.com
The 6XC II Chamber works perfectly with the Norma 6XC brass and resolves the “sticky bolt lift” issue. The original 6XC chambering was designed based off the usage of 22-250 brass which typically has a web diameter in the range of .461″-.463″. The area of the chamber just forward of the web on the original 6XC chambering was .4695″ which left plenty of clearance.
When Norma 6XC brass became available Norma appears to have developed the base of the case from the .308 Winchester line of cases which have a larger web diameter. The web diameter of the Norma brass typically measures right around .4685″ which leaves almost no diameter clearance.
As shooters would use Norma 6XC brass in an original 6XC chamber they typically would experience “sticky bolt lift” due to the lack of clearance and the fact that the large web diameter of the brass prohibited the re-size dies (no matter how small the base diameter was) from squeezing the brass down enough to create sufficient clearance. The 6XC II chamber resolves this issue. You can order 6XC II sizing dies from 6mmAR.com that work perfectly with this re-designed chambering. 6XC II die sets are in stock now — call (215) 348-8789 to order.
6XC II Long Range Reamer (Throated long for 105-115gr Bullets):
The 6XC II-LT reamer below is throated long to keep the full bearing surface of 110-115gr bullets forward of the neck/shoulder junction of the case. Note, 6mmAR.com has also developed a shorter-freebore version for 6mm bullets with shorter bearing surface. SEE shorter 6XC II Reamer Print.
6XC II Chamber and Sizing Die Combo:
– Resolves the “sticky bolt lift” problem shooters experienced using the Norma 6XC Brass in the original 6XC chambers.
– Chamber accepts all 6XC brass or ammo with no modification. Take your existing 6XC brass or ammo and use it without issues.
– Works well with existing Norma 6XC brass, or 6XC brass made from re-formed Winchester and Remington 22-250 brass.
– 6XC II Sizing dies and die sets are available from 6mmAR.com and in stock.
If you are looking for someone to chamber your rifle or re-barrel an existing rifle in the 6XC II chamber, Fred at Sabreco, Inc. in Skippack, PA, (610) 584-8228 can help you. He has the reamers for the cartridge as well as the head space gauges for the cartridge, and has had extensive experience chambering many barrels and rifles.
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We all enjoy shooting rifles, but it’s also fulfilling to share your knowledge as a mentor. Serving as a rifle instructor can be very rewarding. Now the CMP offers a program to certify Master Instructors for the CMP’s most popular rifle programs — Vintage Military and Rimfire Sporter.
CMP Master Instructor Training Workshops
As a CMP Instructor you can help novices learn to safely shoot the M1 Garand, M1903 Springfield, and other vintage military rifles. You can also help with the very popular Rimfire Sporter program. Later this year, the CMP is offering an excellent program to help train new Master Instructors.
Experienced rifle marksmanship instructors and shooters who wish to receive advanced training and be certified as “Master Instructors” to teach CMP-sanctioned Clinics are invited to apply to attend a CMP Master Instructor Training Workshop. These workshops will train instructors to conduct Garand, Springfield, and Vintage Military Rifle Clinics and/or Rimfire Sporter Clinics. There will be two (2) instructor training workshops this year, one at Camp Perry in October and the second in Talladega in December. Dates and locations are:
M1903 Springfield shooter at Camp Perry. From GarandThumbBlog’s 2015 CMP Games Video.
CMP Master Instructor Class — In the Beginning
Our friend Dennis Santiago has been a CMP instructor for many years. He reports this has been a great experience and the CMP is a great organization. Dennis earned his “teaching credentials” at the first-ever GSM (Garand/Springfield/Vintage Military) Master Instructor Class.
CMP Director Gary Anderson is top row far left, with Dennis in front row center.
My Decade as a CMP Master Instructorby Dennis Santiago
I was in the first GSM Master Instructor class. It was taught at Camp Pendleton (CA) in November 2006 as part of the CMP Western Games. It was a three-day class by then-head of the Civilian Marksmanship Program, Gary Anderson.
We were the guinea pigs for an experiment. Our mission would be to take what we learned back to our clubs and create programs to teach the sport of High Power riflery to Americans, most of whom, were unfamiliar with shooting, let alone the details of serious competition. It was one of the most rewarding shared experiences of my life and it began a 10-year journey that helped build my love for the sport.
Gary spent lots of time not only teaching his prepared material but working with us on feedback about how to improve the curriculum. I took what I learned back to the Burbank Rifle and Revolver Club (BRRC) and, working with Wayne Fenner (left in photo), my friend and fellow sponsor of the California Grizzlies Junior Rifle Team, adapted BRRC’s training match program to the CMP’s approach.
Over the course of almost a decade, I taught a battalion of Americans from every walk of life and every political and ethnic background how to operate and compete with the U.S. Rifle M-1 Garand. It defined one weekend of every month of my life. We experimented with every CMP match format that came out, often discussing concepts with Gary and the CMP team.
Many of the students I taught went on to become accomplished competitors in their own right. I’ve watched them win medals, major tournaments, become distinguished riflemen. Some set national records. One made it to the Olympic Trials. The true reward was to hear from all of them again and again over the years. I’m from the old school that says you pass on what you have learned because you pay forward in gratitude to those who taught you. And so it was the decade I was BRRC’s GSM Master Instructor of record.
If you want to make a difference to the growth of our sport, consider taking the time to become a GSM Master Instructor. Teach another battalion of Americans what it means to be the caretakers of our heritage from behind every blade of grass.
DCM Emeritus Gary Anderson Teaches Clinic at Camp Perry, Ohio:
Here a Springfield M1903 shooter (in period-authentic uniform) competes in CMP Legacy Match.
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Be prepared to have your mind blown by Max Michel. This guy is FAST. In this video he puts 18 shots on three targets with two (2) reloads, in a total of 4.79 seconds. That’s right, drawing from holster, he sends 18 rounds in under five seconds, with two mag changes in the process. That works out to a rate of fire of 225 rounds per minute. Consider this — Max shoots faster than a 19th-century Gatling Gun (which had a rate of fire of roughly 200 rounds per minute). And Max is accurate as well as speedy — 16 of Max’s 18 shots were in the targets’ A-Zones, with the other two just barely outside.
Click Speaker Icon to hear sound (audio) — it’s even more impressive with sound!
At age 30, Max Michel is a legend within the world of competitive shooting. A four-time World Speed Shooting Champion, six-time USPSA National Champion, and three-time US National Steel Champion, Max is a dominant force in pistol shooting sports. Born and raised in New Orleans, Louisiana, Max began shooting when he was just five years old. In 1999 Max joined the USAMU’s Action Pistol Team and served in the U.S. Army for 10 years as an Army shooter and trainer. Today, Max is recognized worldwide as a top-tier athlete and instructor.
GRS stocks are produced in Norway. These stocks are known for their comfortable fit and ergonomics, but they are also strong and durable — thanks to attention to detail, careful construction, and premium materials. While GRS Riflestocks AS now produces excellent composite stocks, the majority of its products are still crafted from laminated wood. That’s not surprising because the GRS stock business evolved from a family furniture company.
This excellent video shows every stage of GRS Stock production. Worth Watching — Honest! Sawing Blanks: 0:15 | CNC Milling 0:20 | Surface Sanding 0:30 | Dip Finishing 1:00
Making a GRS Laminated Stock
GRS stocks start off with blocks of laminated wood. There are potentially 1700 combinations given the number of colors, models, and inlets. The first stage employs a band saw to shape the rough outer shape and dimensions. Then each stock goes into a computer-controlled CNC machine for precision milling. From the CNC-machine, the rifle stock is handed over to GRS craftsmen who hand-finish the stock (photo below). Depending on design, GRS stocks can be delivered with up to 40 different inlets.
GRS Stocks — Ergonomically Designed Good ergonomics have always been a key GRS design objective: “All our rifle stocks are adjustable, because people are different. If you make a fixed stock, it will always be a compromise for your shooting position. Also, your ergonomics change in different shooting positions. There is a big difference between standing, sitting and laying on the ground. It’s not rocket science, but we recognized this a long time ago. And that is why we made the adjustment system the way it is. Obviously, having the correct length of pull, and a full contact with the cheek-piece, adds a lot of stability into the shooting position.”
When you handle a GRS stock, and get into shooting position, you notice it feels comfortable immediately. And the LOP and cheek-piece height can be adjusted easily, without tools.
The GRS grip design is distinctive — for important reasons: “The grips that we have (which off-centered and angled out) remove tension in your arms. So when you shoot you are more relaxed. And the recoil transfers neatly in your body.”
About GRS Riflestocks AS — A Family Company Run by Serious Shooters
GRS Riflestocks AS is run by two brothers, Håvard and Oscar Haugen. Oscar served in the Norwegian military for a decade as a QRF Sharpshooter (sniper) and Sharpshooter Team Leader. Oscar’s military experience has helped GRS design better rifle stocks: “I was a Sharpshooter for the Norwegian army for a long time, both as a soldier and instructor. So we knew what worked in the field. And we knew production. So we took something traditional, as a rifle stock is, and introduced something new into it. This way, the ergonomics and the adjustment systems became key features of the GRS rifle stocks.”
Håvard Haugen (L) and Oscar Haugen (R), founders of GRS Riflestocks AS.
GRS Riflestocks AS has become very successful. The company now ships stocks to 45 countries worldwide. Oscar Haugen says: “I smile every day knowing more and more hunters and shooters gets to know GRS. We make them shoot more accurately because their rifles fit them better [with our stocks]. What more could we ask for?”
GRS Stocks are produced in Hornindal, Norway. Watch the video to see beautiful Norwegian scenery: “A short walk from the factory, you’re in the woods. You can go fishing, hunting … whatever you like”.
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In today’s feature, Emil Praslick III of Team Applied Ballistics explains how to determine wind direction down range. Praslick, now retired from the U.S. Army, was an 18-time National and 2-time World Champion coach with the USAMU. Emil is consider by many to be one of America’s greatest wind readers — a master when is comes to identifying wind value and direction, and predicting wind cycles.
Video ONE: Determining the Direction of the Wind
Key Point in Video — Find the Boil
Emil explains how to determine wind direction using optic. The method is to use spotting scope, riflescope, or binoculars to look for the “Boil” — the condition in mirage when the light waves rising straight up. The wind will generate that straight-up, vertical boil in your optics when it is blowing directly at you, or directly from your rear. To identify this, traverse your scope or optics until you see the boil running straight up. When you see that vertical boil, the direction your optic is pointing is aligned with the wind flow (either blowing towards you or from directly behind you).
Video TWO: The No Wind Zero Setting
In this second video, Emil defines the “No-Wind Zero”, and explains why competitive shooters must understand the no-wind zero and have their sights or optics set for a no-wind zero starting point before heading to a match. In order to hit your target, after determining wind speed and direction, says Emil, “you have to have your scope setting dialed to ‘no wind zero’ first.”
Coach of Champions — Emil Praslick III
SFC Emil Praslick III, (U.S. Army, retired) works with Berger Bullets and Applied Ballistics. Emil served as the Head Coach of the U.S. National Long Range Rifle Team and Head Coach of the USAMU for several years. Teams coached by Emil have won 33 Inter-Service Rifle Championships. On top of that, teams he coached set 18 National records and 2 World Records. Overall, in the role of coach, Praslick can be credited with the most team wins of any coach in U.S. Military history.
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All Ruger American Rifle models employ dual aluminum V-Blocks to support the action. These fit slots in the underside of the action. Boyds makes its own version of these V-Blocks which were installed in the Boyds stock to secure the action.
Hitting a Quarter at 800 Yards
Implications for Gun Builders and Reloaders
The better, up-to-date ballistics programs let you select either G1 or G7 Ballistic Coefficient (BC) values when calculating a trajectory. The ballistic coefficient (BC) of a body is a measure of its ability to overcome air resistance in flight. You’ve probably seen that G7 values are numerically lower than G1 values for the same bullet (typically). But that doesn’t mean you should select a G1 value simply because it is higher.
Drag Models — G7 is better than G1 for Long-Range Bullets
Smith & Wesson’s 
To quantify what Preacher says, for starters, we suggest setting your body die, or full-length sizing die, to have .0015″ of “bump”. NOTE: This assumes that your die is a good match to your chamber. If your sizing or body die is too big at the base you could push the shoulder back .003″ and still have “sticky case” syndrome. Also, the .0015″ spec is for bolt guns. For AR15s you need to bump the shoulder of your cases .003″ – .005″, for enhanced reliability. For those who have never worked with a body die, bump die, or Full-length sizing die, to increase bump, you loosen lock-ring and screw the die in further (move die down relative to shell-holder). A small amount (just a few degrees) of die rotation can make a difference. To reduce bump you screw the die out (move die up). Re-set lock-ring to match changes in die up/down position.
We were the guinea pigs for an experiment. Our mission would be to take what we learned back to our clubs and create programs to teach the sport of High Power riflery to Americans, most of whom, were unfamiliar with shooting, let alone the details of serious competition. It was one of the most rewarding shared experiences of my life and it began a 10-year journey that helped build my love for the sport.
Good ergonomics have always been a key GRS design objective: “All our rifle stocks are adjustable, because people are different. If you make a fixed stock, it will always be a compromise for your shooting position. Also, your ergonomics change in different shooting positions. There is a big difference between standing, sitting and laying on the ground. It’s not rocket science, but we recognized this a long time ago. And that is why we made the adjustment system the way it is. Obviously, having the correct length of pull, and a full contact with the cheek-piece, adds a lot of stability into the shooting position.”
